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Finding the Fourth Proportional to 832,556, 1,148,925.12 and 450,582.68

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Solution

The fourth proportional to 832,556, 1,148,925.12 and 450,582.68 is: 621,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,556 : 1,148,925.12 = 450,582.68 : x
  2. Step 2: Convert to fraction form
    832,556/1,148,925.12 = 450,582.68/x
  3. Step 3: Cross multiply
    832,556x = 1,148,925.12 × 450,582.68
  4. Step 4: Simplify right side
    832,556x = 517,685,759,688.92
  5. Step 5: Solve for x
    x = 517,685,759,688.92/832,556
  6. Step 6: Final answer
    x = 621,802.93

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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.