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Finding the Fourth Proportional to 623,053.85, 859,813.80 and 336,573.86

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Solution

The fourth proportional to 623,053.85, 859,813.80 and 336,573.86 is: 464,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,053.85 : 859,813.80 = 336,573.86 : x
  2. Step 2: Convert to fraction form
    623,053.85/859,813.80 = 336,573.86/x
  3. Step 3: Cross multiply
    623,053.85x = 859,813.80 × 336,573.86
  4. Step 4: Simplify right side
    623,053.85x = 289,390,849,547.27
  5. Step 5: Solve for x
    x = 289,390,849,547.27/623,053.85
  6. Step 6: Final answer
    x = 464,471.65

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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.