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Finding the Fourth Proportional to 357,547.80, 493,011.60 and 228,316.34

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Solution

The fourth proportional to 357,547.80, 493,011.60 and 228,316.34 is: 314,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,547.80 : 493,011.60 = 228,316.34 : x
  2. Step 2: Convert to fraction form
    357,547.80/493,011.60 = 228,316.34/x
  3. Step 3: Cross multiply
    357,547.80x = 493,011.60 × 228,316.34
  4. Step 4: Simplify right side
    357,547.80x = 112,562,604,089.54
  5. Step 5: Solve for x
    x = 112,562,604,089.54/357,547.80
  6. Step 6: Final answer
    x = 314,818.34

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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.