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Finding the Fourth Proportional to 630,547.53, 870,176.60 and 344,083.34

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Solution

The fourth proportional to 630,547.53, 870,176.60 and 344,083.34 is: 474,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,547.53 : 870,176.60 = 344,083.34 : x
  2. Step 2: Convert to fraction form
    630,547.53/870,176.60 = 344,083.34/x
  3. Step 3: Cross multiply
    630,547.53x = 870,176.60 × 344,083.34
  4. Step 4: Simplify right side
    630,547.53x = 299,413,264,846.54
  5. Step 5: Solve for x
    x = 299,413,264,846.54/630,547.53
  6. Step 6: Final answer
    x = 474,846.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.